The downtown outpost of the New York Foundling is officially on the market, asking $47.5 million. True to the hype, the massive, 19,000-square-foot building is being marketed by superbroker Dolly Lenz as a single-family residential conversion. The official listing boasts six floorplans for the buildings cellar, four above-grade floors, and roof, as well as a rendering of what the site could look like after renovation.